Exhaust

Cummins NOx Sensor By BESTfitBuilt for accuracy and durability, the BESTfit Cummins NOx Sensor replaces OEM part numbers 1953530, 4326476NX, and A045S162 for Cummins engine applications. This sensor delivers reliable nitrogen oxide measurements to...

PACCAR Diesel Particulate Filter By BESTfitUpgrade your emissions system with the BESTfit PACCAR Diesel Particulate Filter, a direct-fit replacement for PACCAR MX engines. Designed for heavy-duty performance, this stainless steel DPF housing withstands...

Cummins Diesel Particulate Filter By BESTfitBuilt for strength and reliability, the BESTfit Cummins ISX DPF delivers efficient emissions filtration for heavy-duty diesel applications. Replacing OEM part numbers 5283283, 58031, and A064C010, this diesel...

Cummins Diesel Particulate Filter By BESTfitBuilt for strength and efficiency, the BESTfit Cummins DPF delivers reliable emissions filtration for ISC and Paccar PX8 engines. Replacing OEM part numbers 2060750064, 4965286, and A064B981, this high-quality...

ummins NOx Sensor By BESTfitBuilt for reliability and precision, the BESTfit Cummins NOx Sensor provides essential emissions monitoring for Cummins ISB 6.7L and ISX 15.0 engines. Replacing OEM part numbers 0451108, 5EL002, and 6398823R, this high-quality...

Cummins NOx Sensor By BESTfitUpgrade your emissions system with the BESTfit Cummins NOx Sensor, a direct replacement for OEM part numbers 5EL003, 9046003, and S11295. Designed for Cummins ISB 6.7L engine applications in Blue Bird and Freightliner...

Cummins Clamp By BESTfitDesigned for strength and reliability, the BESTfit Cummins Exhaust Clamp replaces OEM part numbers 4026975C1, 58830, and SCE0524R9B1. Built for high-heat diesel exhaust environments, this clamp is engineered to maintain a firm,...

Volvo/Mack Diesel Particulate Filter By BESTfitBuilt for reliability in demanding diesel environments, the BESTfit Volvo/Mack DPF delivers efficient emissions filtration for MP-series engines including MP7, MP8, D11, and D13. Replacing OEM part numbers...

Volvo/Mack DPF Gasket By BESTfitUpgrade your exhaust sealing system with the BESTfit Volvo/Mack DPF Gasket, a direct replacement for OEM part numbers 21212522, SGFA141BA1, and GA007. Designed for Volvo and Mack D13 and MP8 engines, this gasket delivers a...

Cummins Diesel Particulate Filter By BESTfitUpgrade your exhaust aftertreatment system with the BESTfit Cummins Diesel Particulate Filter, a direct replacement for OEM part numbers GESI0035, 6488201, and 7700667. Designed for Cummins engine applications,...

Volvo/Mack Gasket By BESTfitEnhance your exhaust sealing system with the BESTfit Volvo/Mack Gasket, a direct replacement for OEM part numbers 8AL005, G06001, and ENVGVM4. Designed for Volvo and Mack engine applications, this gasket provides a durable,...

Cummins NOx Sensor By BESTfitUpgrade your emissions system with the BESTfit Cummins NOx Sensor, a direct replacement for OEM part numbers 2872944RX, 5EL012, and S11870. Designed for Cummins engine applications, this sensor delivers precise NOx...